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The Moon is about to do something it only does once every 28 years

September 18th, 2017 at 6:53 PM

The total solar eclipse that occurred this summer drew incredible excitement from even casual sky gazers, but our moon is about to perform a feat that is much more rare, and you probably haven’t heard anything about it. Our only natural satellite is about to block out a trio of planets and a dominant star all over the course of a single day.

The event is known as a lunar occultation, which is really just a fancy way of saying that the moon is going to obscure some stuff in the sky. For observers here on Earth, the moon will appear to swallow up Venus, Mars, and Mercury, as well as the star Regulus, which is one of the brightest in our night sky.

What makes it particularly interesting for astronomers is that it’s extremely rare for so many celestial bodies to be involved at the same time. Occultations involving a single body or planet are relatively common, but this particular combination only happens once every 28 years or so. By comparison, a total solar eclipse happens somewhere on Earth every couple of years.

As with the eclipse, certain spots on Earth will have a better vantage point than others. For those hoping to snag a glimpse of the moon engulfing Mars, Hawaii is a great place to be, while locations in the South Pacific have the best shot at spotting Mercury slipping behind the moon later this evening. For the rest of us, searching for cool photos on Instagram and Twitter will probably be our best shot at enjoying the stellar sights.

Mike Wehner has reported on technology and video games for the past decade, covering breaking news and trends in VR, wearables, smartphones, and future tech.

Most recently, Mike served as Tech Editor at The Daily Dot, and has been featured in USA Today,, and countless other web and print outlets. His love of reporting is second only to his gaming addiction.

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